src/chromecast/browser/android/apk/src/org/chromium/chromecast/shell/CastWindowAndroid.java

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.chromium.chromecast.shell;
   6
   7 import android.content.Context;
   8 import android.content.Intent;
   9 import android.net.Uri;
  10 import android.support.v4.content.LocalBroadcastManager;
  11 import android.text.TextUtils;
  12 import android.util.AttributeSet;
  13 import android.util.Log;
  14 import android.view.ViewGroup;
  15 import android.widget.FrameLayout;
  16 import android.widget.LinearLayout;
  17
  18 import org.chromium.base.CalledByNative;
  19 import org.chromium.base.JNINamespace;
  20 import org.chromium.content.browser.ContentView;
  21 import org.chromium.content.browser.ContentViewCore;
  22 import org.chromium.content.browser.ContentViewRenderView;
  23 import org.chromium.content.browser.WebContentsObserver;
  24 import org.chromium.content_public.browser.LoadUrlParams;
  25 import org.chromium.content_public.browser.NavigationController;
  26 import org.chromium.content_public.browser.WebContents;
  27 import org.chromium.ui.base.WindowAndroid;
  28
  29 /**
  30  * Container for the various UI components that make up a shell window.
  31  */
  32 @JNINamespace("chromecast::shell")
  33 public class CastWindowAndroid extends LinearLayout {
  34     public static final String TAG = "CastWindowAndroid";
  35
  36     public static final String ACTION_PAGE_LOADED = "castPageLoaded";
  37     public static final String ACTION_ENABLE_DEV_TOOLS = "castEnableDevTools";
  38     public static final String ACTION_DISABLE_DEV_TOOLS = "castDisableDevTools";
  39
  40     private ContentViewCore mContentViewCore;
  41     private ContentViewRenderView mContentViewRenderView;
  42     private NavigationController mNavigationController;
  43     private WebContents mWebContents;
  44     private WebContentsObserver mWebContentsObserver;
  45     private WindowAndroid mWindow;
  46
  47     /**
  48      * Constructor for inflating via XML.
  49      */
  50     public CastWindowAndroid(Context context, AttributeSet attrs) {
  51         super(context, attrs);
  52     }
  53
  54     /**
  55      * Set the SurfaceView being renderered to as soon as it is available.
  56      */
  57     public void setContentViewRenderView(ContentViewRenderView contentViewRenderView) {
  58         FrameLayout contentViewHolder = (FrameLayout) findViewById(R.id.contentview_holder);
  59         if (contentViewRenderView == null) {
  60             if (mContentViewRenderView != null) {
  61                 contentViewHolder.removeView(mContentViewRenderView);
  62             }
  63         } else {
  64             contentViewHolder.addView(contentViewRenderView,
  65                     new FrameLayout.LayoutParams(
  66                             FrameLayout.LayoutParams.MATCH_PARENT,
  67                             FrameLayout.LayoutParams.MATCH_PARENT));
  68         }
  69         mContentViewRenderView = contentViewRenderView;
  70     }
  71
  72     /**
  73      * @param window The owning window for this shell.
  74      */
  75     public void setWindow(WindowAndroid window) {
  76         mWindow = window;
  77     }
  78
  79     /**
  80      * Loads an URL.  This will perform minimal amounts of sanitizing of the URL to attempt to
  81      * make it valid.
  82      *
  83      * @param url The URL to be loaded by the shell.
  84      */
  85     public void loadUrl(String url) {
  86         if (url == null) return;
  87
  88         if (TextUtils.equals(url, mWebContents.getUrl())) {
  89             mNavigationController.reload(true);
  90         } else {
  91             mNavigationController.loadUrl(new LoadUrlParams(normalizeUrl(url)));
  92         }
  93
  94         // TODO(aurimas): Remove this when crbug.com/174541 is fixed.
  95         mContentViewCore.getContainerView().clearFocus();
  96         mContentViewCore.getContainerView().requestFocus();
  97     }
  98
  99     /**
 100      * Given a URI String, performs minimal normalization to attempt to build a usable URL from it.
 101      * @param uriString The passed-in path to be normalized.
 102      * @return The normalized URL, as a string.
 103      */
 104     private static String normalizeUrl(String uriString) {
 105         if (uriString == null) return uriString;
 106         Uri uri = Uri.parse(uriString);
 107         if (uri.getScheme() == null) {
 108             uri = Uri.parse("http://" + uriString);
 109         }
 110         return uri.toString();
 111     }
 112
 113     /**
 114      * Initializes the ContentView based on the native tab contents pointer passed in.
 115      * @param nativeWebContents The pointer to the native tab contents object.
 116      */
 117     @SuppressWarnings("unused")
 118     @CalledByNative
 119     private void initFromNativeWebContents(long nativeWebContents) {
 120         Context context = getContext();
 121         mContentViewCore = new ContentViewCore(context);
 122         ContentView view = ContentView.newInstance(context, mContentViewCore);
 123         mContentViewCore.initialize(view, view, nativeWebContents, mWindow);
 124         mWebContents = mContentViewCore.getWebContents();
 125         mNavigationController = mWebContents.getNavigationController();
 126
 127         if (getParent() != null) mContentViewCore.onShow();
 128         ((FrameLayout) findViewById(R.id.contentview_holder)).addView(view,
 129                 new FrameLayout.LayoutParams(
 130                         FrameLayout.LayoutParams.MATCH_PARENT,
 131                         FrameLayout.LayoutParams.MATCH_PARENT));
 132         view.requestFocus();
 133         mContentViewRenderView.setCurrentContentViewCore(mContentViewCore);
 134
 135         mWebContentsObserver = new WebContentsObserver(mWebContents) {
 136             @Override
 137             public void didStopLoading(String url) {
 138                 Uri intentUri = Uri.parse(mNavigationController
 139                         .getOriginalUrlForVisibleNavigationEntry());
 140                 Log.v(TAG, "Broadcast ACTION_PAGE_LOADED: scheme=" + intentUri.getScheme()
 141                         + ", host=" + intentUri.getHost());
 142                 LocalBroadcastManager.getInstance(getContext()).sendBroadcast(
 143                         new Intent(ACTION_PAGE_LOADED, intentUri));
 144             }
 145         };
 146     }
 147
 148     /**
 149      * @return The {@link ViewGroup} currently shown by this Shell.
 150      */
 151     public ViewGroup getContentView() {
 152         return mContentViewCore.getContainerView();
 153     }
 154
 155     /**
 156      * @return The {@link ContentViewCore} currently managing the view shown by this Shell.
 157      */
 158     public ContentViewCore getContentViewCore() {
 159         return mContentViewCore;
 160     }
 161 }